affair. new information about the e- mail threats his former lover sent and why the fbi is searching her home. >>> he's a very smart guy. very accomplished guy. >> and he is a guy that has some dark demons. >> a legendary name in silicone valley now being connected to a serious crime. why authorities want to talk to this man and why he says he'll stay in hiding. >>> and the high-profile murder case on the peninsula thrown out. where authorities made their mistake allowing the suspect to go free. good evening, i'm dana king. >> i'm ken bastida. new details tonight in the david petraeus affair. the fbi is now pouring over evidence removed from paula broadwell's north carolina home. the e-mails she sent to the director. cbs 5 reporter on what is becoming an increasingly sorted affair. liz? >> at first glance, the e- mails, they didn't look like a threat to the national security. mostly with the messages that are set from the jealous girlfriend. instead they uncovered an elaborate scheme that would lead to the resignation of the director and growing concerns over how much his mistress knew.